| Merchtem to Karnobat | 1,213.36 mi (1,952.72 km) |
| Merchtem to Kavarna | 1,237.91 mi (1,992.23 km) |
| Merchtem to Kazanlak | 1,149.58 mi (1,850.07 km) |
| Merchtem to Knezha | 1,059.81 mi (1,705.60 km) |
| Merchtem to Kostinbrod | 1,053.85 mi (1,696.00 km) |
| Merchtem to Kozloduy | 1,034.17 mi (1,664.33 km) |
| Merchtem to Kyustendil | 1,056.65 mi (1,700.51 km) |
| Merchtem to Levski | 1,107.92 mi (1,783.02 km) |
| Merchtem to Lom | 1,012.38 mi (1,629.26 km) |
| Merchtem to Lovech | 1,100.43 mi (1,770.98 km) |
| Merchtem to Lukovit | 1,075.50 mi (1,730.84 km) |
| Merchtem to Lyaskovets | 1,142.52 mi (1,838.71 km) |
| Merchtem to Mezdra | 1,058.84 mi (1,704.03 km) |
| Merchtem to Momchilgrad | 1,197.17 mi (1,926.65 km) |
| Merchtem to Montana | 1,028.92 mi (1,655.88 km) |
